| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ora | city | Texas | United States | 31.28 | -94.43 | 157 | |
| Oran | city | Texas | United States | 32.96 | -98.16 | 997 | |
| Orange | city | Texas | United States | 30.09 | -93.74 | 3 | |
| Orange Acres Colonia | city | Texas | United States | 27.94 | -97.94 | 173 | |
| Orange Blossom Estates Colonia | city | Texas | United States | 27.95 | -97.96 | 193 | |
| Orange Grove | city | Texas | United States | 27.96 | -97.94 | 183 | |
| Orange Grove | city | Texas | United States | 29.89 | -95.33 | 65 | |
| Orange Grove Villa Colonia | city | Texas | United States | 27.97 | -97.93 | 170 | |
| Orange Valley Estates Colonia | city | Texas | United States | 28.00 | -97.96 | 206 | |
| Orangedale | city | Texas | United States | 28.44 | -97.83 | 265 | |
| Orangefield | city | Texas | United States | 30.07 | -93.86 | 9 | |
| Orangeville | city | Texas | United States | 33.48 | -96.34 | 830 | |
| Orason Acres Colonia | city | Texas | United States | 26.08 | -97.44 | 19 | |
| Orchard | city | Texas | United States | 29.60 | -95.97 | 118 | |
| Orchard | city | Texas | United States | 29.54 | -95.20 | 22 | |
| Orchard Homes Addition Number 2 Colonia | city | Texas | United States | 26.09 | -97.96 | 72 | |
| Ore City | city | Texas | United States | 32.80 | -94.72 | 377 | |
| Orelia | city | Texas | United States | 28.69 | -98.85 | 830 | |
| Oriana (historical) | city | Texas | United States | 33.18 | -100.45 | 1758 | |
| Orient | city | Texas | United States | 31.66 | -100.33 | 2040 | |
| Orient | city | Texas | United States | 32.51 | -100.41 | 2066 | |
| Oriente Colonia | city | Texas | United States | 26.09 | -97.94 | 68 | |
| Orla | city | Texas | United States | 31.83 | -103.91 | 2880 | |
| Orleander Estates Colonia | city | Texas | United States | 26.27 | -98.42 | 196 | |
| Orozimbo | city | Texas | United States | 29.25 | -95.58 | 32 | |
| Orrs | city | Texas | United States | 32.84 | -94.52 | 396 | |
| Ort | city | Texas | United States | 31.30 | -104.36 | 4189 | |
| Orton Hill | city | Texas | United States | 31.60 | -94.64 | 393 | |
| Orvil | city | Texas | United States | 27.64 | -99.49 | 830 |